Preventive maintenance is done at a substation in order to detect faults that may affect the proper functioning of the same, as a substation is a critical part to an industry and a halt in production can generate high financial losses. Maintaining an electrical substation consists of:
- Physical inspection of the structures and each of the components that comprise it.
- General cleaning.
- Lubrication of mechanical components.
- Connection setting.
- Mechanical, electrical and dielectric tests.